timer.cpp

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#include <quda_internal.h>

namespace quda {

  void TimeProfile::Print() {
    if (profile[QUDA_PROFILE_TOTAL].time > 0.0) {
      printfQuda("\n   %20s Total time = %g secs\n", fname.c_str(), 
                 profile[QUDA_PROFILE_TOTAL].time);
    }

    double accounted = 0.0;
    for (int i=0; i<QUDA_PROFILE_COUNT-1; i++) {
      if (profile[i].count > 0) {
        printfQuda("     %17s     = %f secs (%6.3g%%), with %8d calls at %e us per call\n", 
                   (const char*)&pname[i][0],  profile[i].time, 
                   100*profile[i].time/profile[QUDA_PROFILE_TOTAL].time,
                   profile[i].count, 1e6*profile[i].time/profile[i].count);
        accounted += profile[i].time;
      }
    }
    if (accounted > 0.0) {
      double missing = profile[QUDA_PROFILE_TOTAL].time - accounted;
      printfQuda("     total accounted       = %f secs (%6.3g%%)\n", 
                 accounted, 100*accounted/profile[QUDA_PROFILE_TOTAL].time);
      printfQuda("     total missing         = %f secs (%6.3g%%)\n", 
                 missing, 100*missing/profile[QUDA_PROFILE_TOTAL].time);
    }

    if (accounted > profile[QUDA_PROFILE_TOTAL].time) {
      warningQuda("Accounted time %f secs in %s is greater than total time %f secs\n", 
                  accounted, (const char*)&fname[0], profile[QUDA_PROFILE_TOTAL].time);
    }
    
  }

  std::string TimeProfile::pname[] = { "download",  "upload", "init", "preamble", "compute", 
                                       "epilogue", "free", "pack kernel", "dslash kernel", 
                                       "gather", "scatter", "event record", 
                                       "event query", "stream wait event", 
                                       "comms", "comms start", "comms query", "constant", 
                                       "total" };
  
}